UltraPure™ Phenol UltraPure™ Phenol is used in the purification of nucleic acids. In a mixture of phenol and buffered aqueous solution, proteins are denatured and collect at the interphase while most nucleic acids remain in the aqueous phase. UltraPure™ Phenol contains no preservatives. It is redistilled and packaged under a dry inert gas in shatter-resistant, plastic-coated amber bottles. Performance and Quality Testing: Color of water-saturated samples is evaluated after incubation at 2°C to 8°C Chemical Name: Phenols Form: Powder Product Size: 500 g Purity or Quality Grade: Molecular Biology Grade Shipping Condition: Room Temperature Regulatory Statement: For Research Use Only. Not for use in diagnostic procedures. Store in refrigerator (2–8°C).